Potato harvester



Aug. 17, 1965 H. c. LEHDE ETAL POTATO HARVESTER 26 Sheets-Sheet l FiledFeb. l5. 1960 INVENTORS Hanf" :1 2n jc Aug. 17, 1965 H. c. LEHDE ETAL3,200,888

POTATO HARVESTER Filed Feb. l5. 1960 26 Sheets-Sheet 2 Aug. 17, 1965 H.C. LEHDE ETAL 26 Sheets-Sheet Z 'MQW A Harney Aug. 17, 1965 H. c. I EHDEETAL POTATO HARVESTER 26 Sheets-Sheet 4 Filed Feb. l5. 1960 NW AllINVENTORS Hen/f7 @L ew/e Joh/7 JD/cfzerman BY @d ZW Aug. 17, 1965 H. c.Ll-:HDE ETAL POTATO HARVESTER 26 Sheets-Sheet 5 Filed Feb. l5, 1960INVENTORS Hen/*rf C. Lehd@ Jahn Dicke/'man BY Affarr/.eq

Aug. 17, 1965 H. c. LEHDE ETAL POTATO HARVESTER 26 Sheets-Sheet 6 FiledFeb. l5. 1960 hun INVENTORS Hen/g TLS/7de John .Z/c/Qerman BY Aug. 17,1965 H. c. LEHDE ETAL 3,200,888

POTATO HARVESTER Filed Feb. l5. 1960 26 Sheets-Sheet 7 Al NIJ A Hof-nsf;

Aug- 17, 1965 H. c. I EHDE ETAL 3,200,888

POTATO HARVESTER 2e sheets-sheet 8 Filed Feb. l5. 1960 .INVENTORS`lie/wg C chde John d D/ckefmarl BY'MLZM Aug- 17, 1965 H. c. LEHDE ETAL3,200,888

POTATO HARVESTER Filed Feb. l5. 1960 26 Sheets-Sheet 9 NVENTOR` Hen/'yC' Lehde Jah/7 J'. D/'cberman BY M2M Horneq Aug. 17, 1965 H. c. LEHDEETAL POTATO HARVESTER 26 Sheets-Sheet l 0 Filed Feb. l5. 1960 INVENTORSHen/1y 6.' L12/vda BY John .D/Gke/man MW Aug. 17, 1965 H. c. LEI-IDEETAL 3,200,888

POTATO HARVESTER Filed Feb. l5. 1960 26 Sheets-Sheet l1 BY/QWMJM Aug.17, 1965 H. c. LEHDE ETAL 3,200,888

PQTATO HARVESTER Filed Feb. 15. 19Go 26 sheets-sheet 12 ,4 from @y Aug.17, 1965 H. c. LEHDE ETAL 3,200,883

PoTATo HARVESTER Filed Feb. l5. 1960 26 Sheets-Sheet 13 26 Sheets-Sheet14 w MN ik INVENTORS I che/c Hanf' Aug. 17, 1965 H. c. LEHDE ETAL POTATOHARVESTER Filed Feb. l5. 1960 Aug. 17, 1965 H. c. LEHDE ETAL 3,200,883

POTATO VHARVESTER Filed Feb. 15. 1960 26 Sheets-Sheet 15 Ils :+I/5 40a,

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BY Mi/JV Alllll lllllll IIMY Aug. 17, 1965 Filed Feb. 15. 1960 H. CfLEHDE ETAL POTATO HARVESTER 26 Sheets-Slaan??l 16 INVENTORS Henry YLea/e Harney ug. l?, 965 H. c. LEHDE ErAL POTATO HARVESTER Filed Feb.l5. 1950 26 Sheets-Sheet 17 Aug, 17, 1965 VH. c. LEHDE ETAL POTATOHARVESTER 26 Sheets-Sheet 18 Filed Feb. l5, 1950 INVENTORS Henry[.'Lehde John .[/c/rmam Aug. 17, 1965 H. c. LEHDE ETAL POTATO HARVESTER26 Sheets-Sheet 19 Filed Feb. l5. 1960 Gm.. .mq

INVENTORS Henn/ C'. Le b .de

26 Sheets-Sheet 2O me odm M/nm Bew M AC C@ WM M H J Aug. 17, 1965 H. c.LEHDE ETAL POTATO HARVESTER Filed Feb. 1s. 1960

1. A MOBILE POTATO HARVESTER SYSTEM INCLUDING IN COMBINATIN, A DEVICEFOR EXCAVATING ONE OR MORE POTATO ROWS, AUTOMATIC MEANS FOR SEPARATINGAND REMOVING STONES AND DEBRIS WHICH ARE SMALLER AND LARGER THAN THEPOTATOES TO BE GATHERED AND CONVEYING THE POTATOES AND REMAINING STONESTO A RECEIVING HOPPER, A FLEXIBLE DRIVE MEMBER EXTENDING LONGITUDINALLYFROM THE RECEIVING HOPPER, A COLUMN OF SPACED POTATO ADVANCING PADDLESFIXED TO AND EXTENDING LATERALLY FROM SAID FLEXIBLE DRIVE MEMER, EACH OFSAID ADVASNCING PADDLES PRESENTING AN ARM SECTION FIXED TO THE DRIVEMEMBER AND EXTENDING LATERALLY THEREFORM AND TERMINATING IN A POTATOADVANCING PADDLE SECTION WHICH IS REARWARDLY INCLINED WITH RESPECT TOTHE DIRECTION OF TRAVEL THEREOF, A PRIMARY TUMBLING ROLL POSITIONEDUNDER THE COLUMN OF ADVANCING PADDLES AND PROVIDING TUMBLING SUPPORT FORTHE POATOES, A SECONDARY TUMBLING ROLL POSITIONED ADJACENT SAID PRIMARYTUMBLING ROLL AND EXTENDING ALONG THE LINE OF TRAVEL FOF THE OUTER ENDSOF THE COLUMNIZED PADDLE SECTIONS ADVANCING OVER PRIMARY TUMBLING ROLLTO THEREBY MAINTAIN THE POTATOES ADJACENT TO SAID SECONDARY TUMBLINGROLL UNDER THE ADVANCING INFLUENCE OF THE PADDLES, MEANS FOR ROTATINGSAID PRIMARY AND SECONDARY TUMBLING ROLLS TO THEREBY TUMBLE THEADVANCING POTATOES IN CONTACT THEREWITH AND LATERALLY EJECT ALL BUT ONEOF THE POTATOES FROM THE ADVANCING INFLUENCE OF EACH PADDLE, MEANS FORRETURNING THE EJECTED POTATOES TO THE RECEIVING HOPPER FOR RECYCLE, ANDRESILIENTLY SUPPORTED DEVINING ROLL POSITIONED ABOVE SAID SECONDARYTUMBLING ROLL AND IN RESILIENT PRESSURE CONTACT THERWITH, SAID DEVINIGNROLL BEING SUBJECT TO THE ROTATIVE INFLUENCE OF SAID SECONDARY TUMBLINGROLL AND COOPERATING THEREWITH TO STRIP AND REMOVE VINES AND VEGETATIONFROM THE POTATOES AS ADVANCED BY SAID PADDLES.